<template>
    <transition name='popup-slide-up'>
        <div class="ebook-popup-list" v-show="fontFamilyVisible">
            <div class="ebook-popup-title">
                <div class="ebook-popup-title-icon" @click="hide">
                    <span class="icon-down2"></span>
                </div>
                <span class="ebook-popup-title-text">{{$t('book.selectFont')}}</span>
            </div>
            <div class="ebook-popup-list-wrapper">
                <div class="ebook-popup-item" v-for="(item,index) in fontFamilyList"
                :key='index' @click="setFontFamily(item.font)">
                    <div class="ebook-popup-item-text" :class="{'selected':isSelected(item)}">
                        {{item.font}}
                    </div>
                    <div class="ebook-popup-item-check" v-if="isSelected(item)">
                        <span class='icon-check'></span>
                    </div>
                </div>
            </div>
        </div>
   </transition>
</template>

<script>
import { ebookMixin } from '../../utils/mixin'
import { FONT_FAMILY } from '../../utils/book'
import { saveFontFamily } from '../../utils/localStorage'

export default {
  mixins: [ebookMixin],
  data () {
    return {
      fontFamilyList: FONT_FAMILY
    }
  },
  methods: {
    hide () {
      this.setFontFamilyVisible(false)
    },
    isSelected (item) {
      return this.defaultFontFamily === item.font
    },
    setFontFamily (font) {
      this.setDefaultFontFamily(font)
      saveFontFamily(this.fileName, font)
      if (font === 'Default') {
        this.currentBook.rendition.themes.font('Times New Roman')
      } else {
        this.currentBook.rendition.themes.font(font)
      }
    }
  },
  mounted () {
  }
}
</script>

<style lang='scss' scoped>
    @import '../../assets/styles/global.scss';
    .ebook-popup-list{
        position: absolute;
        bottom: 0;
        left: 0;
        z-index: 300;
        width:100%;
        box-shadow: 0 px2rem(-4) px2rem(6) rgba(0,0,0,.1);
        background: white;
        .ebook-popup-title{
            position: relative;
            padding: px2rem(15);
            box-sizing: border-box;
            border-bottom:px2rem(1) solid #b8b9bb;
            text-align: center;
            @include center;
            .ebook-popup-title-icon{
                position: absolute;
                left:px2rem(15);
                top:0;
                height: 100%;
                font-size: px2rem(16);
                font-weight: bold;
                @include center;
            }
            .ebook-popup-title-text{
                font-size: px2rem(14);
                font-weight: bold;
            }
        }
        .ebook-popup-list-wrapper{
            .ebook-popup-item{
                    display: flex;
                    padding:px2rem(15);
                .ebook-popup-item-text{
                    flex:1;
                    font-size: px2rem(14);
                    text-align: left;
                    &.selected{
                        color:#346cb9;
                        font-weight: bold;
                    }
                }
                .ebook-popup-item-check{
                    flex:1;
                    text-align: right;
                    font-size: px2rem(14);
                    font-weight: bold;
                    color:#346cb9;
                }
            }
        }
    }
</style>
